romulus: Remove avbus-workaround
This was a workaround for DD1 (pre-production) hardware.
Jordan Keuseman <jkeusema@us.ibm.com> wrote:
> That was an issue back in DD1 time frame where the VRM needed to
> change their signal voltage thresholds for AVS bus to work around a
> problem where the processor was putting out a runt pulse in the final
> bit of the transaction. They fixed that in the silicon so we got rid
> of the work around.
This was removed from Witherspoon when dropping DD1 support from
OpenBMC. We can remove it from Romulus and other platforms too.
Change-Id: I3b7019387c0d924360ccad5833159cc33f75ae47
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable@.service b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable@.service
index 424aa23..38c1e85 100644
--- a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable@.service
+++ b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable@.service
@@ -1,7 +1,7 @@
[Unit]
Description=Disable the AVS bus on the VRMs
-Wants=avsbus-workaround@%i.service
-After=avsbus-workaround@%i.service
+Wants=op-power-start@.service
+After=op-power-start@.service
Before=vrm-control@%i.service
Conflicts=obmc-chassis-poweroff@%i.target
ConditionPathExists=!/run/openbmc/chassis@%i-on
diff --git a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround.sh b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround.sh
deleted file mode 100644
index 75ec8ca..0000000
--- a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/sh
-
-i2cset -y 4 0x28 0x2E 0x23 b # VDD/VCS 0
-i2cset -y 4 0x2B 0x2E 0x23 b # VDN 0
-i2cset -y 5 0x28 0x2E 0x23 b # VDD/VCS 1
-i2cset -y 5 0x2B 0x2E 0x23 b # VDN 1
-
diff --git a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround@.service b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround@.service
deleted file mode 100644
index 156ef03..0000000
--- a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround@.service
+++ /dev/null
@@ -1,16 +0,0 @@
-[Unit]
-Description=Perform AVS bus workaround on VRMs
-Wants=op-power-start@.service
-After=op-power-start@.service
-Before=avsbus-disable@%i.service
-Conflicts=obmc-chassis-poweroff@%i.target
-ConditionPathExists=!/run/openbmc/chassis@%i-on
-
-[Service]
-ExecStart=/usr/bin/env avsbus-workaround.sh
-SyslogIdentifier=avsbus-workaround.sh
-Type=oneshot
-RemainAfterExit=yes
-
-[Install]
-WantedBy=obmc-chassis-poweron@%i.target